Stock Market Data API

End-of-day prices (two years of daily OHLCV) and company fundamentals for the S&P 500, Nasdaq-100 and around 55 popular ETFs (about 570 symbols). Updated after each US market close.

Quick start

curl "https://stocks.quiply.net/v1/quote?symbol=AAPL" \
  -H "X-API-Key: YOUR_KEY"

Authentication

Every request must include your key in the X-API-Key header. You get your key instantly on the pricing section. Keep it secret — don't put it in public front-end code.

Base URL: https://stocks.quiply.net

Prices are in USD and adjusted for stock splits (not for dividends).

GET/v1/symbols

List covered symbols.

Parameter	Type	Description
`search`	string	Match on ticker prefix or company name
`type`	string	`stock` or `etf`
`limit`	integer	1–1000 (default 50)

GET/v1/quote

Latest close with change versus the previous trading day.

Parameter	Type	Description
`symbol` required	string	Ticker, e.g. `AAPL` or `BRK.B`

{
  "symbol": "AAPL", "name": "Apple Inc.", "type": "stock", "date": "2026-10-30",
  "open": 346.685, "high": 348.7696, "low": 344.13, "close": 345.21, "volume": 7629190,
  "prev_close": 348.91, "change": -3.7, "change_pct": -1.0604
}

GET/v1/eod

Daily open, high, low, close and volume. Maximum range 2 years.

Parameter	Type	Description
`symbol` required	string	Ticker, e.g. `AAPL` or `BRK.B`
`start` required	string	`YYYY-MM-DD`
`end`	string	`YYYY-MM-DD` (default: today)

GET/v1/fundamentals

Revenue, net income, EPS (diluted), total assets, total liabilities and shares outstanding from company filings: the last 5 years (annual) or 8 quarters (quarterly). Stocks only. Values are in USD; fields a company does not report are null. Fourth-quarter revenue and net income are derived as full year minus the first three quarters and marked "derived": true.

Parameter	Type	Description
`symbol` required	string	Ticker, e.g. `AAPL` or `BRK.B`
`period`	string	`annual` (default) or `quarterly`

GET/v1/movers

Biggest gainers or losers of the latest trading day.

Parameter	Type	Description
`type`	string	`gainers` (default) or `losers`
`limit`	integer	1–100 (default 10)
`asset`	string	Optional: `stock` or `etf`

GET/v1/health

Service status, latest trading day and data freshness. No key needed.

Data is end-of-day and for information only; it is not investment advice and not intended for trading execution. A day's figures can be provisional until the evening update after the close.

Errors

Status	Meaning
401	Missing or invalid `X-API-Key`
403	Subscription inactive (cancelled or payment failed)
404	Unknown symbol, or no data for it
422	Bad parameter (e.g. wrong date format, range over 2 years)
429	Quota reached for your plan

Pricing

Free trial: 5 requests/day. All APIs plan: $9.95/month gives you every Quiply API, 250,000 requests a month.

Get your API key